A simple asp.net program for managing Web site files

First look at the effect

Webfilemanager

The code is as follows

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<!-- Author: Zhang Haohua datetime:2012-07-06 03:25 ----------------------------------- A page program that manages files under a Web site. Provide features such as uploading, renaming, deleting, creating folders, downloading, and so on. --> <%@ Page language= "C #"%> <! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd "> &lt;script runat= "Server" &gt; String Msg = String. Empty; static string _current_path = ""; protected void Page_Load (object sender, EventArgs e) { Initfiles (); Switch (request["action"]) { Case "Root": Root (); Break Case "Back": Back (); Break Case "Open": Open (request["FileName"]); Break Case "Delete": Delete (request["FileName"]); Break } } protected void Btnupload_click (object sender, EventArgs e) { if (fufile.hasfile) { String currentpath = Getcurrentpath (); string fileName = Fufile.filename; if (rbcover.checked) { } else if (rbrename.checked) { while (System.IO.File.Exists (Currentpath + fileName)) { filename = "New_" + filename; } } Fufile.saveas (Currentpath + fileName); } Initfiles (); } protected void Btnsave_click (object sender, EventArgs e) { string olefilename = Hfoldname.value; string newfilename = Txtnewname.text; if (string. IsNullOrEmpty (NewFileName)) { MSG = "The file name can ' t for empty!"; Return } String currentpath = Getcurrentpath (); String OldPath = Currentpath + olefilename; String NewPath = Currentpath + newfilename; if (Isfile (OldPath)) { if (System.IO.File.Exists (NewPath)) { MSG = "The file name repeated, please reset." Return } System.IO.File.Move (OldPath, NewPath); } Else { if (string. IsNullOrEmpty (Olefilename)) { System.IO.Directory.CreateDirectory (NewPath); } Else { System.IO.Directory.Move (OldPath, NewPath); } } Initfiles (); } private void Back () { String path = Getcurrentpath (); String parent = new System.IO.DirectoryInfo (path). Parent.fullname + "\"; if (parent. IndexOf (Server.MapPath ("~/")) &gt;= 0) { _current_path = parent; } Response.Redirect (Request.Url.AbsolutePath); } private void Delete (string filename) { if (string. IsNullOrEmpty (filename)) return; String currentpath = Getcurrentpath (); String path = Currentpath + filename; if (isfile (path)) { System.IO.File.Delete (path); } Else { try {System.IO.Directory.Delete (path, false);} Catch {} } Response.Redirect (Request.Url.AbsolutePath); } Protected string Getcreatetime (string name) { String currentpath = Getcurrentpath (); String path = Currentpath + name; return System.IO.File.GetCreationTime (PATH). ToString ("Yyyy-mm-dd HH:mm:ss"); } private String Getcurrentpath () { return string. IsNullOrEmpty (_current_path)? Server.MapPath ("~/"): _current_path; } Protected string GetIcon (string name) { String currentpath = Getcurrentpath (); String path = Currentpath + name; if (isfile (path)) { int dotplace = name. LastIndexOf ('. '); if (Dotplace &lt; 0) { Return ""; } Else { return name. Substring (Dotplace + 1); } } Else { Return "{DIR}"; } } Protected string GetSize (string name) { String currentpath = Getcurrentpath (); String path = Currentpath + name; if (isfile (path)) { Long length = new System.IO.FileInfo (path). Length; Return ((length/1024) + 1) + KB ("+ length + B)"; } Else { return "Unknow"; } } Protected string Getupdatetime (string name) { String currentpath = Getcurrentpath (); String path = Currentpath + name; return System.IO.File.GetLastWriteTime (PATH). ToString ("Yyyy-mm-dd HH:mm:ss"); } private void Initfiles () { String currentpath = Getcurrentpath (); string[] Directorys = System.IO.Directory.GetDirectories (Currentpath); string[] files = System.IO.Directory.GetFiles (Currentpath); system.collections.generic.ilist&lt;string&gt; arr = new system.collections.generic.list&lt;string&gt; (); foreach (string s in Directorys) { Arr. ADD (S.replace (Currentpath, "")); } foreach (string s in files) { Arr. ADD (S.replace (Currentpath, "")); } Rptfile.datasource = arr; Rptfile.databind (); } private bool Isfile (string path) { return System.IO.File.Exists (path); } private void Open (string fileName) { String currentpath = Getcurrentpath (); String path = Currentpath + fileName; if (isfile (path)) { System.IO.FileInfo FileInfo = new System.IO.FileInfo (path); Response.Clear (); Response.clearcontent (); Response.ClearHeaders (); Response.AddHeader ("Content-disposition", "attachment;filename=" + filename); Response.AddHeader ("Content-length", fileInfo.Length.ToString ()); Response.AddHeader ("content-transfer-encoding", "binary"); Response.ContentType = "Application/octet-stream"; response.contentencoding = System.Text.Encoding.GetEncoding ("gb2312"); Response.WriteFile (Fileinfo.fullname); Response.Flush (); Response.End (); } Else { _current_path = PATH + "\"; Response.Redirect (Request.Url.AbsolutePath); } } private void Root () { _current_path = Server.MapPath ("~/"); Response.Redirect (Request.Url.AbsolutePath); } &lt;/script&gt; <title></title> <style type= "Text/css" > body{margin:0; padding:10px background: #aaf; font-family:arial; font-size:14px;} #container {border:1px #ddd solid} #menu {background-color: #ccc;} #menu. line{border-left:solid 1px #fff; width:0;} #menu a{display:inline-block; margin:0; padding:8px 12px; text-decoration:none; } #menu a:active, #menu a:hover{background-color: #ddd; } #main {height:450px;} #main. file{float:left; width:100px; height:60px; margin:8px; padding:5px; overflow:hidden; text-align:center;} #main. file. icon{margin:0 5px; Font-family:impact,arial Black; font-size:30px; width:85px; height:40px; Overflow:hidden; } #main. file. name{font-size:12px;} #main, #upload_panel, #rename_panel {background-color: #fff; border:1px #ddd solid; border-left:0; border-right:0;} #upload_panel, #rename_panel {padding:10px;} #status_bar {background-color: #ccc;} #status_bar span{display:inline-block margin:0; padding:5px 30px 5px 8px border-left:solid 1px #ddd;} </style> <script type= "Text/javascript" > var Page = {Currentfile:null}; /* Page Load * * function Pageload () { Initmenu (); Initfile (); Initstatusbar (); Initpanel (); ShowMessage (); } /* Initialize Menu/* function Initmenu () { /* page loading events, handling initialization page operations. var MenuItems = document.getElementById ("menu"). childnodes; For (Var menu in MenuItems) { if (menu &gt;= 0 &amp;&amp; (menuitems[menu].tagname + ""). toUpperCase () = = "A") { var a = Menuitems[menu]; A.onclick = Clickmenuitem; } } } /* Initialize file list Event/* function Initfile () { var files = document.getElementById ("main"). ChildNodes; For (var k in files) { if (k &gt;= 0 &amp;&amp; (files[k].classname + ""). toLowerCase (). IndexOf ("file") &gt;= 0) { var file = Files[k]; File.style.cursor = "pointer"; File.onclick = Clickfile; } } } /* Initialize the "Upload file" and "Modify filename" Module * * function Initpanel () { document.getElementById ("Upload_panel"). Style.display = "None"; Hide Upload file module document.getElementById ("Rename_panel"). Style.display = "None"; Hide Modify filename Module document.getElementById ("Fufile"). Value = ""; Empty upload file control document.getElementById ("Txtnewname"). Value = ""; Empty Name text box document.getElementById ("Hfoldname"). Value = ""; Empty Name text box Document.getelementsbyname ("Btncancel") [0].onclick = Initpanel; Bind Cancel Button Click Event Document.getelementsbyname ("Btncancel") [1].onclick = Initpanel; Bind Cancel Button Click Event } /* Initialize status bar/* function Initstatusbar () { var statusitems = document.getElementById ("Status_bar"). ChildNodes; for (Var itemkey in Statusitems) { if (itemkey &gt;= 0 &amp;&amp; (statusitems[itemkey].tagname + ""). toUpperCase () = "SPAN") { var span = Statusitems[itemkey]; var value = Page.currentfile = null? "": Page.CurrentFile.getAttribute (Span.classname); if ("filename" = = Span.className.toLowerCase ()) span.innerhtml = "FileName:" + value; if ("type" = = Span.className.toLowerCase ()) span.innerhtml = "type:" + value; if ("size" = = Span.className.toLowerCase ()) span.innerhtml = "Size:" + value; if ("create_time" = = Span.className.toLowerCase ()) span.innerhtml = "Createtime:" + value; if ("update_time" = = Span.className.toLowerCase ()) span.innerhtml = "LastUpdateTime:" + value; } } } /* Click menu item Event/* function Clickmenuitem () { Initpanel (); var id = this.id; Switch (ID) { Case "Root": Location.search = ' action=root '; Break Case "Back": Location.search = ' Action=back '; Break Case "Open": Open (); Break Case "NewFolder": document.getElementById ("Rename_panel"). Style.display = ""; Break Case "Upload": document.getElementById ("Upload_panel"). Style.display = ""; Break Case "Rename": Rename (); Break Case "Delete": Delete () Break } return false; Do not respond to hyperlink jump operations } /* Click File Event * * function Clickfile () { if (page.currentfile!= null) { Page.CurrentFile.style.background = ""; }             if (Page.currentfile = this) {                  Page.CurrentFile.style.background = "";                 Page.currentfile = NULL;            } else {                  this.style.background = "#ddd";                 Page.currentfile = this;            }             Initstatusbar ();             Initpanel ();        } function Delete () { if (page.currentfile!= null) { Location.search = ' action=delete&filename= ' + Page.CurrentFile.getAttribute ("FileName"); } } function Open () { if (page.currentfile!= null) { Location.search = ' action=open&filename= ' + Page.CurrentFile.getAttribute ("FileName"); } } function Rename () { if (page.currentfile!= null) { document.getElementById ("Txtnewname"). Value = Page.CurrentFile.getAttribute ("filename"); document.getElementById ("Hfoldname"). Value = Page.CurrentFile.getAttribute ("filename"); document.getElementById ("Rename_panel"). Style.display = ""; } } function ShowMessage () { var msg = "&lt;%=msg%&gt;"; if (msg!= "") { Alert (msg); } } &lt;/script&gt; &lt;/head&gt; &lt;body onload= "pageload ()" &gt; &lt;form id= "Form1" runat= "Server" &gt; &lt;div id= "Container" &gt; &lt;div id= "Menu" &gt; &lt;a href= "#" id= "Root" &gt;Root&lt;/a&gt; &lt;a href= "#" id= "Back" &gt;Back&lt;/a&gt; &lt;a href= "#" id= "Open" &gt;open (Download) &lt;/a&gt; &lt;a class= "line" &gt;&lt;/a&gt; &lt;a href= "#" id= "NewFolder" &gt;NewFolder&lt;/a&gt; &lt;a href= "#" id= "Upload" &gt;Upload&lt;/a&gt; &lt;a href= "#" id= "Rename" &gt;Rename&lt;/a&gt; &lt;a href= "#" id= "Delete" &gt;Delete&lt;/a&gt; &lt;/div&gt; &lt;div id= "Main" &gt; &lt;asp:repeater id= "Rptfile" runat= "Server" &gt; &lt;ItemTemplate&gt; &lt;div class= "File" Filename= "&lt;%# Container.DataItem%&gt;" Size= "&lt;%# getsize (Container.DataItem +" ")%&gt;" Type= "&lt;%# GetIcon (Container.DataItem +" ")%&gt;" Create_time= "&lt;%# getcreatetime (Container.DataItem +" ")%&gt;" Update_time= "&lt;%# getcreatetime (Container.DataItem +" ")%&gt;" &gt; &lt;div class= "icon" &gt;&lt;%# GetIcon (Container.DataItem + "")%&gt;&lt;/div&gt; &lt;div class= "name" &gt;&lt;%# Container.DataItem%&gt;&lt;/div&gt; &lt;/div&gt; &lt;/ItemTemplate&gt; &lt;/asp:Repeater&gt; &lt;div style= "Clear:both;" &gt;&lt;/div&gt; &lt;/div&gt; &lt;div id= "Upload_panel" &gt; &lt;asp:fileupload id= "Fufile" runat= "Server"/&gt;&amp;nbsp; &lt;asp:radiobutton id= "Rbcover" runat= "Server" Groupname= "Filereapter" text= "Cover" checked= "true"/&gt; &lt;asp:radiobutton id= "Rbrename" runat= "Server" Groupname= "Filereapter" text= "Rename"/&gt;&amp;nbsp; &lt;asp:button id= "Btnupload" runat= "Server" text= "Upload" onclick= "Btnupload_click"/&gt;&amp;nbsp; &lt;input name= "btncancel" type= "button" value= "Cancel"/&gt; &lt;/div&gt; &lt;div id= "Rename_panel" &gt; &lt;asp:textbox id= "Txtnewname" runat= "Server" text= "ASDF" &gt;&lt;/asp:TextBox&gt;&amp;nbsp; &lt;asp:button id= "btnsave" runat= "Server" text= "Save" onclick= "Btnsave_click"/&gt;&amp;nbsp; &lt;input name= "btncancel" type= "button" value= "Cancel"/&gt; &lt;asp:hiddenfield id= "Hfoldname" runat= "Server"/&gt; &lt;/div&gt; &lt;div id= "Status_bar" &gt; &lt;span class= "filename" &gt; name:&lt;/span&gt; &lt;span class= "type" &gt; Type:&lt;/span&gt; &lt;span class= "Size" &gt; Size:&lt;/span&gt; &lt;span class= "Create_time" &gt; Creation time:&lt;/span&gt; &lt;span class= "Update_time" &gt; Modification Time:&lt;/span&gt; &lt;/div&gt; &lt;/div&gt; &lt;/form&gt; &lt;/body&gt; &lt;/html&gt;